The DSM is the official guidebook of the American Psychiatric Association for all credentialed mental health professionals in the United States. It describes the most up-to-date criteria for diagnosing and treating mental illnesses.

Endogenous depression is “the kind caused just by a malfunctioning brain or body” (183). Hari argues this type of depression only affects “a tiny minority of depressed people” (183).

The FDA is a United States federal government agency that manages the regulation of food, medicine, and related products. Among the FDA’s functions is the approval of new drugs, following public safety guidelines.